DE1959155A1 - Electric switch - Google Patents

Description

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Herrmenn-TrcnUpohl Dipl.-PhVS EdUSrd Β (ΐ Telephone: 398011

Telephone: 50930 ^r * . 398012

5 «« Dipl.-Ing. W. Herrmann-Tr © ntepohi ³⁹⁸⁰¹³

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Please indicate in the answer Please send a letter to:

«Tonn Otto Roeser, Arlington Heights, Illinois, USA

Electric switch

The invention relates to electrical switches, and more particularly Snap or jump mechanisms and their leile.

The invention is primarily concerned with a compact and elegant Switch blade and contact combination, which is particularly useful for snap switch mechanisms, where na5fr = dem Assembling with other novel parts will create robust precision snap-action switches * A main area of application For the switch blade / contact element combination is a single-pole changeover switch of the type, which is also often a 2-circuit switch is called. It differs τοη den ordinary single pole switches by having four Clamps is provided J it is a movable Übe ^ birürekungskon clock mechanism designed so that it is selectively in contact with one of two terminal blocks to complete a circle.

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. - 3 -. to hold contacts on the end of the flat switch blade.

In a really small switch of the type described earlier, the head and base contacts take up so much space at the end of the surface knife that does not have enough space for the mechanism (Actuator, leg, fastening device and tension spring) is available. In other words, the Contacts required by electrical parameters dominate the Mechanism in such a way that in the real sense of the word it has a limiting Represent pactor. Two different facts for the lack of longitudinal space for the mechanism in the switch according to its own patent specification are given, namely:

(1) insufficient length for the necessary geometry of the mechanism to perform this puncture, and

(2) insufficient space for adequately strong and durable Tension spring elements,

Over-centering the line of action of the tension spring element in mechanisms of the butterfly type ensure a snap action For the contact, it is desirable to keep the distance of movement of the line of action of the teder as large as possible in to train extremely small mechanisms. According to our own patent specification, the over-centering distance in these mechanisms is normally we rise half the contact deflection or -spalts. The smaller the switch, the smaller the ratio / from overcentering movement to iContact gap. If the Mechanisms according to our own patent specification smaller and smaller are formed, the small over-centering way for two practical laughing parts, namely:;

(1) poor decision-making behavior at the trigger point, known as "dead break" and

(2) Lack of simultaneous actuation of the suffer switch blades.

0Q9824 / U82

'... ■ ..,. ■' ■■ BADOBtGlNAL

195815

Printed short there ^ laaaäelt is a. bad snapping!

The earlier mechanisms, as described in US patents 1,645,528 were mainly concerned with single-circuit mechanisms (on or off), they lack symmetry and they only have a single contact surface on the lock-up mechanism, lacking the accuracy properties when pivoting, there are only unfavorable mounting options for the spring, etc., such that the lessons to be drawn from this patent for the construction of modern compact precision spring switches only have little meaning.

The above-mentioned problems are overcome by the switch according to the invention, but additional gate parts are brought about.

The dual circuit spring switch according to the invention find the most extensive Application in aircraft, ships, / control purposes in industry and are particularly well suited for use where high precision push-button switches with spring action for switchboards, Hegel's rods, pressure switches or other things to be solved in manual or machine operation are desired. The precision properties of the switch below qualify it as a limit switch of a unique size, Performance, sealing properties and high economy.

The switch blade / contact combination according to the invention, the contact formation being integral with the switch blade Element is a one-piece, new type of stamped part - also due to its construction, it forms a separate Hefoeltber set system. ter order, which differs from a Hetoelüfoersetsirngssysiem of the third order, one that is more effective in weite-® Power required for the snap mechanism.

The second order leverage with the Zugfeüer provides one

00982WU82

BATH ORIGINAL

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greater leverage and a smaller deflection or a smaller moment at the contacts in the invention Mechanism. The length of the lever arranged for the over-centering force compared with the length of the lever with the Contact force is beneficial in the mechanism of the invention. That Ratio of the moments of these "two forces (tJTserzentrierungskraft - Contact force) is greater than the unit in the invention Mechanism, whereas in the earlier proposal it was smaller than the unit. .

The melmism according to the invention is therefore called production extremely effective in terms of contact force.

This second-order lever system has advantages with it »hereby a configuration of the mechanism becomes possible in such a way that the tension spring element the Bridging mechanism across the middle suggests what a considerable Increase compared to the possible ^^ state the technology represents. With this considerably enlarged "rash" (throw) it will now be possible to make a good decided To produce snap action in very small mechanisms »A sufficient movement in a butterfly meehanisEtus is so that the first page (for example the left) helps in moving the other (for example the right one) over the middle, resulting in an equilateral and germinating "double". Snap leads.

A further advantage of the measure according to the invention is a lever system of the second order in a mechanism with a Sehmetterlingaschnappffektf which is economical without giving up high accuracy and compactness. Another advantage is to be seen in the provision of a two-circuit folding switch in which physically small, compact mechanisms are provided through the elegant use of the B & xma between the spaced-apart contacts

001124/1482

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mechanism that is extremely reliable, thereby a dead center position is avoided, as well as a mechanism with a positive snap action, where the mechanism is more conveniently designed is to withstand electrical overloads and where a mechanism is provided that is mechanical and electrical from great strength.

Particular advantages of the invention can be seen in a switch where the mechanical actuation of the movable switch parts can reliably withstand a quarter of a million mechanical circuits to create a mechanism that has a trigger point repeatability of great decision-making power and to create a mechanism that works against the environment and. is sealed against Euss and in which the housing to a Variety of mounting styles can be customized.

Another advantage of the invention is in a sealed Switch mechanism to see where the movable push button impermeable to the housing by a soft flexible shoe Material is sealed, the rolling sleeve principle is used against a bellows mechanism and the Rolling sleeve has a uniformly negligible resistance to movement over a wide temperature range supplies.

The snap action mechanism is also designed so that he reliably complies with military norms, for example the military standards MIL-SJ-88O5 / 3 and MS 25089 (US) as well as the extreme impact tests of the United States 3Javy fulfilled, whereby all of the above-mentioned standards extraordinary areas, from vibration, acceleration and impact tests in a wet environment or over an extreme! temperature range. " sweet.

An improved conventional clip design that is easy to assemble and store, and it is economical Using pot arms is another feature of the invention.

009824/1482

Provide Belsaast © iiblielie Kleiaa @ n I '/ a-ren nlciit as suitable oils ;, Hal = teinmgsbeäingiasges £ U' £ aöxiaale occurring variants production ■ 121 a Eiinststoffgehäuse au and anschließet according animal Installation © © in Sötpfami © zn form. A common Sleiameneybilduiig is beaten to death, which is aged in situ *, ίϊΐδ, ΘΜ the side walls are deoxed in such a way that a resilient © strut connection is created, which has favorable holding properties over a considerable tolerance range. ß-housing construction and at the same time provides openings in the side walls of the terminal, whereby a cheap soldering pan is formed ₉ di @ an escape of γοη gas and other clay components should be pointed out that the method for attaching a common Elesnaen ₅ In order to acquire the characteristics mentioned, only a simple image and an economy, which requires movement to and fro, are required.

As a part of the invention, it is necessary to create a G-ru.aiieclianismus ₉ or good for use with a considerable variety of switch types such as the slowly moving type _? of the pole type, which is designed as a two-pole four-circuit sequence switch © Sehalter and the like.,

In the two-pole Vierkreissehalter a mechanism is provided see ρ which energy during the switch actuation storage = cherts so forcibly a · simultaneous operation or Seimappbewegung Siche races ellen all of itself, moving contacts and so an incorrect switch operation aussuschliessen ₅ and the most adequate means proposed mia simply efficient In particular, the two-pole Yierkriiesschalter supplies a energy storage device to store the initial actuation energy, so that when the resistance of the switch mechanism of a pair of movable contacts approaches the value lull _9, the energy stored in the energy storage device contributes to the triggering and a forced over-centering of the second Pair of moving contacts ensures, whereby a simultaneous effect is brought about.

000824/1482

ORIGINAL

It should be noted that the blade contact element has an end part which is deliberately cylindrical, whereby the end part always has the same size of contact gap, regardless of the angle that the leg part of the switch blade assumes during its action, so a favorable one Arc breaking ability and ability Get awarded dielectric breakdown voltages of considerable value * An improved "method for Fastening the ends of the tension springs is through the new ones Mechanism by forming a shear-type brace structure in the cylindrical end of the shaped knife, which, in addition to the fastening function, has a strut fastening effect in order to maintain dimensional stability in the Maintain the distance between the intended contact surfaces. The fastening inclination strut training of the aforementioned type takes up only a minimal amount of space and is arranged and proportioned in such a way that that the leather is immediately in the property of the end of the Knife is attached. The strut is bWdJt with a radius trained, which with the ab ^ indetei ». Q ^ s ^ aölsiitt der Tension spring matches and favorable Yersülali properties with extreme switching operations of the holder without sawing effect to deliver. ·

According to the invention so electrical switch parts for Tendon action mechanisms, particularly of the butterfly type, have been proposed, with a second-order lever system is used, where the tension spring is attached to the outside of the Eontaktteile to an integral shear attachment attachment to a large motion differential, high leverage contact force te and stability to deliver. The integral mounting brace assembly for one switch blade and the contact element is reversed for mechanical wear properties The attachment of the end of the tension spring is curved and is curved to maintain dimensional stability under spaced contact parts "proportioned and arranged. The space between the contacts is used to to position and fasten the clamping element, the

009024/14 82

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! ig. 7 is a semi-schematic representation of a force diagram and shows the geometry of the switch blade contact mechanism combination of the previous figures;

! ig. Figure 8 is a top plan view of the switch blade assembly in substantial detail larger representation, the dashed part showing the configuration before formation the domed contact end construction shows this;

Pig. 9 is a side view of FIG. 8 construction shown after the formation of the contact structure;

! ig. 10 is an end view of the contact structure shown in FIG along lines 10-10 in. 9 y

! ig. 11 is a section of the in! Ig. 2 mechanism shown, with some parts left out and the mean floor clamps rotated 90 degrees to get a clearer picture the formation of the common gills by the in! ig. Exercise A shown tool.

! ig. Figure 11A shows the tool being reciprocable and the resilient strut attachment means on the prominent in! ig. 11 described terminal training shapes;

! ig. 12 is an underneath view of the in! Ig. 2, 3 and 5 shown push button for sliding pin to the hole in the in! ig. Housing shown in FIG. 11;

! ig. 13 is a view corresponding to lines 13-13 in FIG. 11 and shows the formation of the common terminals, with these common terminals at 45 opposite! 4 are rotated for clarity;

! ig. 13A is a side view of the FIG. 11A of the tool shown;

! ig. Figure 14 is a side view of the upper clamp or pole member along lines 14-14 in! ig. 1-5 »as well in! ig. 5 shown;

009824 / U82

Pig. 15 is a plan view of the clamp element of FIG.

Figure 16 is a partially cutaway view of an alternative SchialterausMldungj namely a sweep-pole Zodiac switch, which is the general snap switch = 11 ecliamsinus according to the previous figures "used;

FIg. 16A iet an insulated top view of the energy storage system = äen O-Raasiflußveretärker or -ring ,, which in the in Fig. 16 "is useful;

Fig «I? shows else teilgesehnittene more Ausfühmangsform einee Sehaltenaechanismus, the changing Sehaltermechanismus ¹⁸ to slow / are classified as ^ and the switch blade-Kontaktkomhination used within any of the preceding Ligurians shown Mechanisms ";

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S ¹ Ig ₀ 18A is sia Teilselmitt similar to S ¹ Ig, 18 and geigt the order of the ropes in the actuation position;

Pigo 1SB is also in perspective © representation of the diagrams shown in -Figo 18 έά & 1SA

Fig. 19 is a side view taken along lines 19-19 in Fig. I65

Figure 20 is a partially sectioned view of an alternative Mechanism for a sv / ang-wise sequential circuit ensures 1

Figure 21 is a side view taken along lines 21-21 of one alternative embodiment of a push-pull spring scarf termechanismus of Fig. 22; and

008824 / U82

SAD ORIGINAL

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Pig. 22 is a partially sectioned front view along the lines 22-22 in iig. 21 and shows a push-pull mechanism Using the snap mechanism of the previous figures. ,

In particular, in Figs. 1 to H, 18, 18A and 18B, a is compact precision two-circuit snap-action switch oohanisiBUs 10 shown, which is essentially a bearing training 12, a movable actuator 14, a holding knife contact training cabin 16, terminal formations 18 and wire formations 20 has.

In particular, the carrier device 12 has an internal dielectric Housing 22 and an outer protective housing 24 · -The inner dielectric housing is preferably formed from a strong plastic, for example Bakelite and the like » which favorable dielectric strength properties and the desired mechanical properties of the structural Has strength. The outer protective housing 24 is preferably made of a metal such as aluminum and has an enlarged collar 26 near the head to form a shoulder 27 which comes into engagement with a suitable panel, control rod or other storage surface, Vie from the lig. 1, 0 and 5 can be recognized by the switch mechanism 10 essentially cylindrical shape and the outer one Housing formation 24 is essentially cylindrical, wherein the side walls 28 depend from the collar portion 26 and the moving ropes of the switch surround «The bottom of the outer Protective housing 24 terminates in an open end portion 50 and the inner dielectric housing 22 is smoothly telescoped into it arranged in a manner to be described, on the side walls 28 near the collar 26 under the shoulder 27 threads 32 are provided to secure washers and nuts, (not shown), which in turn usually store the switch. The interior of the outer casing 24 is three provided concentric bores, namely the kl @ t & sten upper one Hole 34 »in which the switch actuation element Ή is held,

008124/1482

*, ORIGINAL BATHROOM

a slightly larger counterbore 36 _{S, which contains a} relatively short height ₉ ! .the upper sealing device 20 and the large cylindrical one. Bore 38 "which formed the main part fies the switch housing at a transverse he solicit 4 © © connects di wa bores 36, 37 & tmd einelläehe zvlt storage forms of; Diehtungseinrichtung in mi descriptive T7eise _e

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0AD ORIGINAL

Extend end 46 mn. Since the radially outer part is expanded, the center portions are also open b Sehlitzen UIID 56a 56 52c and 52d, which have the same Srstreekung as the off enes slots 54a and 54b shown. The base part 42 is also provided with a small central bore 58 and an enlarged counterbore 60 forming a shoulder 61 between them. The work functions of the bores 58 and 60 and shoulder 61 will be described during the description of the common clamps. How best from Pig. As can be seen, the walls 44 'of the inner housing are not of uniform thickness, the bore 62 forms the main housing and is substantially elliptical in shape in cross-section. Because the outer walls 44 are cylindrical, the cylindrical inner bore forming the inner wall of the housing 22 has thin formed downwardly extending portions 64a and 64b on the major axis of the elliptical inner bore and thick formed ropes 66a and 66b on the minor axis of the elliptical bore.

The thin parts 64a and 64b of the housing provide a maximum working space for the combination of switch blade and contact 16 on the main axis of the bore upper clamp in the slots 54a and 54b, the strength in the material for the slots 54a and 54b functions also to additional Έυΐ1 & preventing rotation than the splines and Präzisons- sliding member become necessary for the operating means fourteenth The base part 42 is provided with a transverse wall surface 68, which becomes the inner bottom wall of the switch mechanism, and an outer transverse wall 70. Upon assembly, wall 70 and the openings therein are provided with a thin layer of sealing material or encapsulated with a suitable epoxy potting compound 198 in order to achieve a seal in the bottom of the switch

0 09 8 2 4 / U 8 2

The actuator 14 includes a push button member 72, the of a molded dielectric material (preferably Hiylon, Delrin or the like), as well as an elongated one Metal element 74? the force-transmitting "regarding this is trained. The actuator also includes a pair of return springs 76 and 78 for the return element 74 and the button 72 in its rest position, as shown in FIGS. 2 and 5 Darge = represents, The restoring members also take over a to be described electrical puncture.

The button element 72 slips best into the Pig. 2, and 11 recognize and consists essentially of an upper cylindrical outer part 80 with a hand to be grasped head surface 5 cylindrical downwardly extending side walls with a part 80 outside the housing, a part 84 located inside the housing 24 and an enlarged bottom flange part 86 ", A bottom surface 87 of the button element is provided with a straight central opening 88 for receiving the element 74. A C-shaped recess 90 for the purpose of cooling the shape would come ± i the bottom surface 87 of the button for forming the button 72 be. The bottom flange is preferably designed with a shape complementary to the 'Irmenböhrung 62 of the dielectric inner housing 22 and, as a comparison of the Mg ₈ 11 and 6' shows, these shapes are essentially the same oppositely arranged straight wedge lugs or plugs 92a and 92b, which are suitable to slide in the open housing slots 54a and 54b of the inner housing 22. It should be pointed out that the projections 9 * and 92b do not fit into the extensions of the flat enlarged central parts, the slots 56a and 56b. Thus, a small space is created between the outer edges 92a and 92b and the radially outer walls of the enlarged central parts 56a and 56b in order to create a free movement of air or gas within the interior of the sealed switch housing after actuation of the switch button, thereby creating any compression or piston-like effect during

009S24 / U82

BAO ORIGINAL

to prevent actuation. The remaining curved parts 94 of the flange 86 fit snugly with the bore 62 of the housing 22 "forming side walls.

The metallic actuator 74 is substantially in cross-section rectangular and arranged along the vertical axis of the switch 10, the long cross-sectional dimension on the smaller axis of the bore 62 is located. The organ 74 has an upper portion of reduced width 96 with a head surface 97 which engages against the bottom of the central opening 88 in the push-button switch 72. The actuator 74 has an enlarged Middle part 98, which with the upper part 95 over a shoulder 104 is connected and a short lower part 100 of reduced width, which in the inner and outer concentric springs and 78, as in the Pig. 5 and 11 shown fits. A central oval elongated transverse opening 102 is central in the central portion 98 and runs from the bottom part 100 upwards into the narrower top part 96. Two pairs of opposite one another Y-shaped notches 106 are on opposite sides of the opening 1Φ2 and on opposite surfaces of the Middle part 98, as shown in FIGS. 5 and 11, formed. The V-shaped notches 106 serve as pivot points and as precision positioning for the switch blade contact combination 16. It should be pointed out that between the central part 98 and the recessed part 96 of the organ 74 ' formed shoulder 104 is arranged immediately in the vicinity of the notches-106, with only enough material for support is left above the notches necessary to deform the notches for purposes to be further described impede. A lower transverse shoulder 108 is formed on member 74 between bottom portion 100 and middle portion 98 and engages return springs 76 and 78 which bias member 74 and button upward.

The metal actuator 74 supports the switch blade contact termination 16 and triggers their snap action, leading to the electrical Switching process leads. The Schaltaeeeer contact cabinet

00 ** 24/1482

16 comprises a pair of identical elements 109a and 109d, each of which is preferably integrally formed in a novel manner from relatively robust sheet metal material in a sort of stan process. The elements are preferably mainly made of silver and smaller amounts of fic & el and magnesia siscL sum Sfeek are sent to the hast ©, the preferred parts are 98 fo silver, the remaining 2 $ "consist of sfiokel and ame magnesium, which are sugesetat @ Inö for hardening purposes such material is available under the trade name öonsil b @ i 'from Handy raafi Harmon Company in the USA «

How lsi tea Bstsllgiiren S ₃ 9 and 10 lind the 2g- 5 w & ü β gäii £ 3®li®a _? have Ia der Selialtiiess sia * & I © a 1β fil © 23Iaael ^ l®iieiite 109a i? sä 109b of a first brewing = part 11Θ wmL üsli3 © 3a lasiter distance feeflndllehe Sshenk ©! 112 iisicl 114p 0iE. @ A middle section 116 imd © Inen curved sweitaa ΙΐϊδΐΘΐΙ iiS.amfo Bl © Seliesfeel 112 w & ä 114 are w & sisigm & er wä can Stüofe B ßjs ° 6 && js as ä © r Dareliaeeger ®Is, g2? Siigfeäer OälQlQüZ'C: · '! ®' *} $ Cll © M, S ¹ X ⁰ SWlSSiMIEi.a XiI © liä deli I ¹ Ig ₀ 5 "Silo, β ZU @@ h © J; l Ιί, ίϊΐη TQiilesfto 3Ie gmgAsä® ^ 120 1st in übllela. © ^ «©! © ® from ? bq & ± <=> feeler Stislal fe © Eg © ui3 © llt ο Bis Se & Eitaeseer ^ E 16 LiiEfl siiiagleliiit sss © imcst« Baaisatosial ssdgesrfeGsast iaaö, ₅ like la i? £ go 8 äasg © ist © lM. ist cles? g ^ el'ö® ladteil 118 suaäefe.s-ö like .'oeseli olio fsstsiplieltea Slalen b © I 12S gsi.g@cl BrillentQto

24

iii Si7olt @ 2ä Isetell 118 uMssek 8 @ ίβΒΈΜΆΐ $. aMMgßhilüQ ^ ₉ ule iii cllQ go © '6E ¹ IoIiE-I ¹ Os-Si gisssll ©! X «lal © ii Ib £ laeli®a lac'I'e © !! 122 göueiäo Wi © sain Mg ₀ 8 © rsdelatlielia list fi ©]? alj {g®ooh «= © st © S Q BGfQstlgiiags] -ö © ll 12β οκο ä @ ^ Ifcoa © δ @ Θ SgIIos 12g

gg SgIIos 12g

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Should 13'5 G '^ 3oOi3i.Mo'60 Bgs? ®gü I3I uait κΐΐ Ggd JlaäG els

1359155

The mounting strut formation 124 has one dimension in width that is at least as large or greater than the cross-sectional thickness of the material. Part 131 can have an extra long lifespan in a saddle-shaped design, as can be seen in more detail in Pig 9. It should be noted that the deformed part 126 a robust upper contact part 128 and separating the struts has a lower contact part 130 and so resists any deformation or bending of the connection part therebetween, thereby ensuring dimensional stability and integrity over the the entire life of the mechanism is maintained. The bottom contact surface 130 is in the same plane as the first part 110 and the central part 116 arranged, while the Contact surface 128 is offset from this plane.

As shown in the plan view (Pig. 6 and 8), it can be seen that the second! end part 118, in particular at part 128, which forms the upper movable contact, narrower in width than the outer ends of the spaced apart Legs 112 and 114 is. This narrowed end portion 118 enables the entire switch blade / contact combination 16 pivoted in notches 106 about acquired edges 132 and that has the necessary mechanical play with respect to the parts 64a of the inner dielectric housing 22. In other words, the Maximum utilization of the space along the main axis of the oval interior of the housing 22 is through a constriction or constriction according to the width of the second part 118 of the combination given below. The sharp edges 132 form in the notches 106 the precision pivot points.

As mentioned, the strut release 124 is preferably with a reversely curved shape which extends towards this end portion 110 as in the side view in Pig. 9 shown extends. The center 131 of the inverted strut curve is in the Height of the axis of the cylindrical end part 118, teod that the line of action the peder 120 and the point of attachment of the peder are substantially in a plane that defines the plane

009824/1482

• ■ - 20 - '

between the spaced contact parts 128 and cuts ,, It should also be noted that the strut attachment device 124 is arranged in a plane which defines the area between the legs 112 and 114 for symmetrical balancing of the forces due to the tension spring 120 cuts.

Due to the relatively short length of the strut formation 124 (as shown in the side view) are the curved Zontakt parts 130 and 128 provided with a robust bracing effect, to maintain dimensional stability between. . This maintenance of directional stability is important in switching mechanisms where fairly high current loads occur. It should be remembered that after the Above mentioned MiIiitätprüf form a switch in Pig. 1 shown Size a fivefold overload of 600 amperes and withstand or maintain dimensional stability and one Must prevent sparking when the switch is operated.

It is also important that the end portion 118 be deliberate in a substantial manner cylindrical shape as shown in the side view is made. The axis of the cylindrical end portion 118 is in a plane parallel to the plane of the flat first Part 110 and the middle part 116. This is advantageous at } the mechanical processing and the shaping of the part and provides electrical advantages to be described below. The curved one Longwall formation 124 is outside or cheerfully distance from the sharpened pivoting edge 132 by a bit larger than that Dimension of the upper and lower contact portions 128 and 130 from FIG arranged this pivot edge. The resulting force diagrams and the advantages of this training, through which a lever transmission system second order is created, are discussed in more detail in the description of the operation of the mechanism.

009824 / Uu2

BATH ORIGINAL

i "

Ss should be noted that the switch after the embodiment according to the invention, the tension spring 120 by opening 102 in member 74 goes through and so that pairs are opposed to one another Switch blade contact elements 109a and 109b in the Y ~ shaped notches 106 opposite one another. Farther it should be pointed out that the individual elements from this combination 109a and 109b are rather compact and robust, so that they are stiff and measurable Degree do not bend.

The opposing elements 109a and t) 9b forming the combination 16 are designed in such a way that the contact parts located thereon snap between opposing fixed contact parts on the upper clamping elements 134 and the lower clamping elements 136. It should be pointed out that each of the symmetrical upper clamp elements 134 arranged opposite one another has the design and that these are respectively arranged in housing slots 54a and 54b and through opening 50a and 50b of housing 22. The upper clamp elements 134 are, as in FIGS. 14 and 15, separate and in the assembled state in the pig. 1, 2, 5 and β, each arranged with a main part 138 which ends in an outer part 142. Adhesive brackets 156 are inserted through openings 50a and 30b until stop retention tabs 140 engage the surface of base housing 68 and correctly position the clamp members in the vertical position in the slots, as shown. In the vicinity of the outer ends of the Klemraenetoente 134 through transverse openings 144 are provided, which are preferably provided with a thread for the storage of further parts of a circle. Since tiny burrs occur in the thread cutting process or when screwing in, slots and openings 5oa and 50b, 54a and 54b are formed with the above-mentioned enlarged central parts 56a, 56b, 52c and 52d, so that small burrs formed during the threading process on the clamping do not scrape or break off the plastic housing, so that small particles contaminate the inside of the switch during assembly

008824 / U82

1959181

Mitt @ Ii3 © Ila eiiäQE gsteii J? I * "3 Ce:;?

'a displaced

■ Q ^T. ν '/ ν. - ^! Send con-

- «'' ^ ι",! - rvo.se from elek »

* "' ü \', ''" rx ^! ad ladder own

3 ~ "ϊ. 'C-' eibe Ί " I des riementes 146

* e ~ "^ j ien NessL-f or the like made

(>'ί ο L. ι'-αΈ from dsT * £ f_ eichen composition How tiie ϋο ^ ΐο, ΐΛϊ = inaa switch knife combination elements 109a and lOS'ß ä'Si? Ilgo S ₂ 9 and 10 to be produced is uneconomical). Bs- .soll. ÜG &>& m £ should be pointed out. * · That the transition between the ob @ Ä-SE-, Qp-wedge 146 and the downward leil 138 at 15C? © i'figeschnttrt and, as shown in -Fig. 6 can be seen, has a smaller cross-sectional dimension. This reduced dimension of the transverse part I46 ensures the necessary play between the upper cable 96 of the actuating cable 74 within the limited space requirements within the seaalters, as can best be seen in FIG. It should be noted that shoulder 104 is positioned on actuator 74 immediately near notches 106 'so that vertical electrical play is maintained against the underside of QA parts 146 over the upper clamps when the movable ones Switch blades are in their rest position in engagement with the lower kitamen elements 136 and the actuating element 74 is in the uppermost position.

A pair of substantially identical lower clamp members 13,6 Virä mounted to the lower fixed contacts of the switch; eu deliver. Each of the lower clamp elements 136 (see Pig. 5) is with an O-shaped upper part with a vertical one Middle part 152, a lower shoulder part 154 and a formed upper transverse tail I56. According to the representation

BATH ORIGINAL

*. ■. ■ ■ ■. '■

the transverse part I56 is essentially parallel to the part 154 and forms the lower fixed contact part for electrical Engagement with the contact part 130 of the movable contact elements 109a and 109b, The lower shoulder. 154 encompasses the housing surface 68 and ensures vertical stability in the mounting of the lower clamp. An outer one going down Lower clamp rope 162 is substantially in length and construction similar to part I42 of the upper clamp members and also with a continuous threaded opening 160 similar the threaded opening 144. The opposing lower clamp members 136 are in slots 52a and 52a, respectively 52b, as in Pig. 5 shown, formed and the fixed contact parts 156 are vertically below and directly opposite the upper downward contact parts I48 of the upper terminal elements intended. Each of the lower clamp members 136 is as best seen in Fig. 5, preferably made of a bimetal, with a third, namely the part made of silver, the other two thirds of the bimetal (reference number 164) preferably preferably made of a good brass electrical conductivity exist, which if desired covered with a non-tarnishing silver-like coating can be. It should be noted that the solid contact surface 156 deliberately from a 1/3 part 162 of the bimetal the lower clamp made of silver.

The base part 42 of the inner housing 22 takes a common one centrally Terminal 166 on (see Pig. 4, 5, 11, HA, 13 and 13A). The common one Clamp 166 is generally cylindrical in design with a head surface 174, an enlarged head and sidewalls 168 that of enlarged head 170 after go down. Head 170 and side walls 168 form a transverse shoulder 172 which engages the counterbore shoulder in the base 42 of the housing. A central hole is in the common clamp formation 166 from the end 180,

009824 / U82

which is at a distance from the head part 170, formed, the bore 176 does not extend fully through the member 166 and therefore the bottom of the inner walls form one . central recess or pan "

A pair of combined attachment and pedestal struts 178 are formed from the material of the side walls 168. The struts 178 are symmetrical on either side of the axis of the Bore 176 arranged because this is preferable for the simplest possible machining, but are in some cases three or 4 struts formed. However, if more than 2 struts are formed, the struts and have slots formed in this way preferably a smaller width in order to maintain the integrity and stability of the remaining standing portions 180 and 181. The movement of material from the side walls to form the attachment and struts 178 performs the dual function of to support in situ the common clamps 166 on the housing 22 and shape the movement of the material from the side walls also the openings 183 and 184 in the open-sided "tub". The "trough" is formed by the bore 176 and the remaining standing curved cables 180 and 181 of the side walls 168. It can be seen that the opposing openings and 184 are axially aligned, relatively narrow and have a shorter than the bore 176. The openings 183 and allow the escape of gas and contaminants from the "Trough" during the later soldering of a feed wire to the common terminals while the walls or extensions 180 and 181 apply the solder to the relatively small barely in close to the terminals to allow good electrical clearance for other parts of the switch.

According to the illustration, there are different resilient strut fastenings 178 integrally deformed parts of the side walls 168, where a JSade remains attached to it after deformation. The struts 178 are produced by the reciprocating motion of the tool 186 shaped. (The attachment takes place after a not verforaite ^ e? solitary clamp in the bore 58 of the inner housing

BATH ORIGINAL

22 is inserted, the head 170 is fixed against movement, then the tool 186 and the common clamp land relative to one another "be moved).

That in the SIg. Tool 186 shown in Figures 11A and 13A has one central positioning portion 188 which extends beyond the wall cutting and deforming portions 190 and 92.

While tool 186 with clamp 166 are moved against each other "form the engagement of the sharp edges of the! bearings 190 and 192 to the end walls 186 of the side walls 168 of the clamp element formed by the bore 176, the opposite arranged strut formation 178, the engagement of the end walls 186 with ropes 190 and 192 provides a "deformation of the side walls outwards, which continue to move and assume the curved shape shown. It should be noted That is, each of the strut formations 178 is shaped so that they are radially outwardly away from the side walls at 194 and then, back inwards against the side walls as at 1.96 shown extends. Depending on the stroke length of the tool 186 the strut winds in a spiral as it forms within itself, './ while on the holding surface a holding engagement is maintained. A lesson shows that the length of the slots 183 and 184 is always a dimension, from End 186 that is greater than half the distance from the drawer 186 to the storage area (for example, as the floor area 70 of the switch housing). The dimension the brace extends outwardly from the sidewall openings is a! function of the slope of the surfaces 190 and the reverse Surface 191 and the complementary surfaces 192 and

the

193, which determine the diameter / formed coil or spiral. A certain * suspension capacity is applied to the construction the strut formation 178 exerted because it is not "flattened" against the surface 70 and the free end of the strut element, is prearranged for further curling. This little

Ö0SS24 / H82

ORIGINAL

1ft F * Kl vs.

• 'ladsx-uagsYenaogeii let TOE "öei21iaft ₉ he a rope, or an excessive B @ saspro, otesig elss? SrnsbötöfflEästeas, as. To whom the fastening ■ gimg success BmEa ₃ foelspIeX ^ ei ^ G de® isne ^ en burden 22, to ■ prevent ₀ lrslofetMsia. ssfosasrt the EonstnuSbIou, the common ■ Elenas äas YaEdisiisGa. ili ^ es ¹ Sagersu ^ si & he üngsssniig in 'uplifting-, liölisra la @ ® ν © 3? ϋ © Ε @ ζιο si. 3Iolsel © ai dea? Segeabonrungsfläche 61 -sad οθγ SE.ßfXäefe © TQ äes Basisteilss 42 »It is possible to propose eiae feöle eija-ss geiasiass ice element element, a lot 'for eise Ti@lsa.fel natsEscMaälicher rope age constructions is useful;." 3a (Iiθ bracket thickness from switch to switch varied Hleia cladmrch that an attachment is present, the ils? eiae fixed mounting of the head part provides 170 W @ ge? © Izie EIeEHe can be mounted easily in situ.

You! Pin the end of the Pormwerkzenges 186 of the aforementioned type causes the deformed sidewall material to roll back on itself, a particularly useful feature for small mechanisms where electrical play with other elements is a problem. As in I * ig. 4 is the one resilient wings or the Yerstrebimg 178 for the common terminal 166 so on area 70 angeox'i? s and positioned that the Flat between the outer Yex 'bearings 142 and 158 of the upper and lower clamp members 134 and 136 is halved. The rolling up of the individual struts in themselves, as shown in bed 196, uses a minimum of space and the dielectric Keep the distance to the other hens.

As the drawings show, the head surface 174 of the head portion 170 engages the common terminal 166 mechanically and electrically against each of the pedals 76 and 78, each of these springs in turn mechanically and electrically against a transverse shoulder 108 engages on the actuating element 74. Since the metal element 74 carries the movable contact and switch blade device 16, the electrical contact is made to the upper and lower contact terminals created by elements 109a and 109b. The springs 76 and 78 have different "pointers" for locking

000024/1482

8ADORLGiNAL

to prevent between the two springs. The inner spring 76 is preferably made of stainless steel mechanical strength to provide that for the restoring effect and to create the mechanical resistance to shock and vibration. The outer spring 78 is preferably made of silver, Magnesium and a nickel alloy of the type discussed above with respect to movable contact elements 109a and 109b Spring 78 can in some cases be formed from beryllium copper. The primary function of the outer spring 78 is its ability to carry electrical current, also it is greater than the inner spring 76, not only in the collar diameter, but also in the diameter of the wire size.

The upper end of the switch housing is sealed by a "rubber boot" between the shoulder 40 and the Head 4-6 of the inner G-ehäuselementes 22 included, with a disk 212 therebetween, as will be described. In particular, the hat-shaped element 200 has a side extending flange part 204, standing walls and a laterally inwardly projecting head part 206, which ends in a central opening 209. The unstretched diameter of the opening 209 is smaller than the outer one Diameter of the head 72. The edge of the immediately opening 210 surrounding shoe is provided with the reference number 208. The hat-shaped element 200 is mounted on the head 72 by pressing the latter through the opening 209. The one created in this way Circumferential pressure provides a seal between the shoe element or the sleeve element 200 and the Knofρ 72 and thus prevents an ingress or egress of moisture and other pollutants. Tray to be the first assembly the end part 209 and the edge immediately surrounding it reversed from the button shown in Figures 5, 18 and 18A, this reversal being achieved by using a small tube about the same inside diameter as the outside diameter of the button walls 84 in engagement with the walls or the edge 208 is moved, which the opening 209 of the shoe surrounds, whereby it is ensured that the end part after

000824/1482

1959 151

down against the button flange 86 as shown, turned wildly, The so created sub-assembly is then inserted into the holes . 36 and 44 of the outer housing as shown in Figs. 5 and 18, mounted, E ± b squeezing together under sealing on Flange 206 passes through the head of inner housing 22 the bills 212 created.

Sleeve or shoe fairy bind preferably made of silicone rubber with low structural integrity (almost slack). As shown in FIGS. 18 and 18A, a downward movement of the eye causes a rolling action, the rope 208 moving with the knob walls 84: and the ice ensures that the portion of the rope 206 of the shoe is always larger hereby moved ₀ This rolling sleeve rotation requires a © extremely low force im.ä therefore very low © actuation pressures to overcome the sells low resistance that occurs. B © r SilikoÄautsetek "maintains his sejlffheit over considerable B @ - rich the HageTtangstesperainap and ensures together with ä © mj? R ± iislp des? R © llM £! Te for constant and lowable trigger values Esa © 11 © öle geaanntea and described ropes la Hoiitierter ¹ Ia S ¹ Ig ₀ 2 and. 5 Lag® shown are ;, Su wIt & der B © fi @ a, t © II d © s Gehäufsesi ^ rsugsweiss with an Epossy = 'saES © siia / i ^T öi, ielitea des iaat © r © a Sade des Bolialt @ 2? s über © r = »B @ -§- © ssi3gt UQS ¹ SLqS. BpQZjfSTtsa ©! © Jstrlssli © ^ Quality ₅ you

lg; EJOÜ aioi mi '£ Hg ₀ 7 Beamg g © n ©! 3is @ aw @ Eden. In particular, it ilia öle äasg © iit © lltea Abaessuagea A ₉ B imä G ₀ The dimension A "is part © latfoESäiang suisehen ä © H Inö © 132 and the contact area

fixes: © Ab® © ssung äi © gleiela both for fiie under contact wx e
/ ffe

wx e
flleii® 130 / ffe fil © © "over © Eontaktflache 128 is, from © ine this Eoatafetfläche gi © h in contact ®with the lower and upper ©" each "partly fixed Eeatsekt. 156 and 148 are," The Abiaesauiig B Is eLi © Atoesgjiiag swisehen the Sude 132 and the fastening = gnafct the Es, ä © a ier leather 120 for the fastening struts 124o Bie dimension 0 is the amount of the over-center movement from the Sotpunktlag © zxls rest position © for the special shown G- eo-

BATH ORIGINAL

metry of the parts. T is the line of action of the tension force of spring 120 and Fv is the line of force of the actuator H. Fc is the force on contact parts 128 and 130.

As previously mentioned, especially in known switches, especially of the butterfly type, the known contact dominates the mechanism in general so that this has become a limiting factor in small models. This lack of tree for an effective contact device in actually small known mechanisms leads to insufficient length for the necessary geometry of the mechanism for performing the snap action function; also This leads to an inadequate tree for adequately strong and long-lasting tension spring elements such as spring 120. The particular geometry of the mechanism of switch blade-contact combination 16 according to FIG. Others are superficial, dl · chewing force Fc is the mechanical advantage «uag ** tv] st _t . which is brought about by the tension spring 120, the force 0Ϊ coming into effect through the lever arm B. The contact force Jo on both elements t8a and 109b is greater than the force component supplied by the spring 120.

It can be pointed out that the tensile stress Ϊ generated by the feder'120 ensures extremely effective performance of the snap mechanism and also the contact force when the ropes are at rest. The tension generated by the spring 120 provides a long deflection or a large moment for the movable elements 109a and 109b * The ratio of B to A n * oh 3 ¹ Ig * 7 compares the length of the lever arm S in assignment »u dtr ubenaittigen Force "ur length of the lever arm A of the contact force and is thus the ratio of the moments of these two forces". So B is greater than A and is still greater than the Birieit and, as mentioned earlier, is this ratio, as it is with Sp & nmmg 5? ta feder 120 is used to control the contact force

ÖÖÜ24 / US2

1 Q R Q 1 B Ε

I vl «J ν f v3 v?

'- 30 - ■ ■' '

The ratio B / A is also "at removing ₅ to di @ the tension spring 120, the movable Schnappsohaltsrkontafctelemente? Wirft..Erzeugt is over the middle on operation .of the switch so öia great" ** zn rash to a good defined effective © 2 ? seuges _e Is should be referred to in this context as we2? <ä © s _? aal the distance G equals eier distance is around the Bnitfeiaimg ö equals ä &'s distance is » vm which the pualct at 106 moves under the force Iv, so that. Ü the centering ®2 follows? "In small-mechanisms" it desirable 'w © j? t "that überseatrierungsiiosaent or Übermittigemoment G represents. lai © ä © r ^ t Zugspansningskrs T eo coarse wi® possible au & due to the large Movement 0 a well-defined Sefcas-ppwirisung aieli results in * Ss the 'described © Eos- ·

£ ms © la © gitmstig © sufficient Bawegiiag ia d © r V © 3? Ti βηΘ & ίΕΜίΐξ? G) provides, is asflr taken care of, asM "no SiasölmappQn and a favorable equivalency tos = - = isläseitigkeit la teleinea Seiialtesa is äi © laSiaalä = DGr; öio sieli © Estsllt ₉ iaS äassc, if sis © Siialtüsq" oiä? ^: Äcamg] 1Ofa l3QispIalst7 @ iG © 'iS & es Si © Kitt® goli'öp also, fii © ep, öe ?? o gioitö 109b Ίθοε? Si © SSitt © geli © s wi ^ ä »Ils big Bs =

; "QG" u © igG3? '! 30a HGö © lwiElriasg ₃ äeii ..l © ea

Gla tg g

aßüfliü.eiiea uio © GiiDpiGlguoia © 13β maa 130

V ^: Vi7iEi :: Bi5 (; CöUGili Ui © GIB © Gi'S;.! VOS ΉΓΊΏΔ Η & β g ^ fe'fe iliS? CV SiGQiSÄßGi

QiSÄßGii "JuE" !!; tiiSiSi.GE'üiiGbl δ, Οϋ Dl ^ Ar

ÜO

BATH ORIGINAL

1159185

thus the change is from high values: in contact pressure during the reversal is dramatic and gives a pleasant feeling.

For small switches of the size shown in Figure 1 (ie, where housing 24 is approximately 2.28 cm in length and 1.43 cm in outside diameter), considerable contact resistance properties below four milliohms have been obtained in switches similar to those noted above Compliant with military regulations. In prior art devices, a 20 milliohm resistor has been considered good and this reduction is quite a substantial 80 # reduction over known gate directions. This reduction in the contact resistance to low values is significant in the case of problems where the switches ¹¹ flicker. So far, a considerably high proportion of switches will "flicker" when they are subjected to an oscillation, acceleration, etc., but due to the high force generated by this mechanism, contact flickering is no longer a problem, you can definitely rely on the contact making leaving.

It has already been mentioned that, as can be seen from the side, the enteil 118 of the movable contact device 16 a rope of a cylinder. This part 118 has so due to its Training the same amount of contact gap to fixed contacts 148 and 156, regardless of what angle the Accept legs 112 and 114 during movement of element 74. With the usual oval contacts of the known Facilities provide an angular bridging effect, which reduces the effective contact gap or the electrical play, thereby reducing the disadvantage in terms of both the arc-breaking property as with the dielectric breakdown voltage, which can be withstood by the mechanism occurs.

It has also been found that the cylindrical contact force apparently contributes to maintaining the reliability of the bottom contact in switches of the type described. It is therefore assumed that the curved upper and lower contact surfaces 128.UnId ₁ IJQ each make a line contact with

Ö0IS2 4/14 8-2

.- 32 -

the respective flat fixed top and bottom contacts I48 and at least produce 156 in theory. In practice it is believed . that due to sbrem whining surface irregularities of the Contact is made in two places on the line. This leads to the effect of the fork contacts with the parallel current paths with considerably increased likelihood of making contact to create extremely low pollution despite the presence. The radius of the contact area is for the cylinder on the end 118 by far less than usual on oval ones Contacts as they have been used up to now. The radius for switches of the type described is typically for the cylinder end 118 on the order of 1.28 mm compared to 0.32 cm for the conventional oval contact area. This sharper Radius on pads 128 and I30 increases the unit contact pressure and reduces the likelihood of contaminants blocking the contact closure. This is obtained since a particle of a given size - for example 0.0025 cm - is effective over only a small area where a Intervention can take place. The likelihood of closure thus becomes considerable by each of these mechanisms increased. Taken together, the result is contact reliability.

The butterfly action of switch 10 is relatively straightforward and straightforward. The movement of the operating button 72 according to below ensures that the element 74 moves downward against the bias of the springs 76 and 78. The moving bridge contact and fasteners 16, retained by solid sub-contact surfaces 156, remain in contact hereby until the pivot points 106 pass the line of action (center line) of the spring 120. The movable contact elements then snap over the middle and the upper contact surfaces 138 grip against upper contacts 148 until the finger or other mechanical pressure on the head surface of the Button 72 ensures that springs 76 and 78 return the line to the position shown in FIG. While the element is reset at the center line 120 js, the snap

00982WU8 ^Ä

j 'BAD ORIGINAL

1953 155

movable switch blade elements 109a and 109b reversed again in the center.

From the foregoing description it can be seen that a bit mechanism of the type described above is a spring return switch. This means that the springs 76 and 78 return the parts to the rest position shown in FIG. 5, so that a circle between the two lower contacts (and also via the common terminal configurations, if applicable) is completed. This general type of switch is sometimes referred to as "currently ¹¹ switches. It should also be pointed out that the upper pair of contacts 148 are only bridged when button 72 is held down. If the leathers 76 and 78 are omitted, a Greg clock switch." such as shown schematically in Figures 21 and 22, where similar parts are denoted by similar reference numerals with the addition of a preceding small "a" and new ropes without such a Yoiaatz. The main differences in this a10 mechanism are no return springs, the switch housing or the (carrier device a12 is rectangular, with the illustrated terminals a1 34 and a156 coming out of the housing substantially transversely to the line of operation of the movement of the head and a sliding contact formation is provided to allow contact between the common terminal formation and the actuating member a 74. One movement of the button a72 in the downward position ensures that the elements a09a and a109b remain in the reverse position until the button a72 is moved upward. As shown, the button stg is provided with a constriction 220 to facilitate pulling when reversing the switch. The common clamp design al 66 has a modified head construction for receiving a sliding contact at the End® a100 of the element a74 * In particular, a cylindrical standing part 22 bifurcates and forms standing parts 224 and 226 with sliding contact surfaces 228 and 230, which make constant contact with the element a74 maintained. The switch a10 in fig. 22 remains when operated by hand in either direction

009024/1482

19591S

is "actuated" until a subsequent actuation takes place in the opposite direction. The restoring force can also be supplied (by. Also ■ can a conductive Iq & qs be low? ! raft (not put up,) "used, in a® favorable continuity during the pushing of a100 g @ g © a 22S niad 250 possible if desired. ■. -

Me lead? toesoteieiseiiea embodiments of the invention are given for illustration only. Different. Changes in the construction can be made by Paehmann, within the scope of the invention. As previously mentioned, the teachings of the invention can just as well be applied to a two-pole zodiac switch. Such a switch b10 is shown in Figures 16 and 19, where similar parts are denoted by similar reference numerals with the addition of a preceding b and where only new ropes are given with reference numerals without a prefix. It should be pointed out that Pig. 16 is a semi-schematic representation and that, according to the principle of the invention, there is a general similarity with regard to the above-mentioned switches a10 vl. IO The construction shown is not shown with a common terminal, but if necessary a common terminal can be connected so that it is electrically connected only to the lower group of bridging contacts b16b without modification of the other construction. A reset button (not shown) similar to a ? 2 can be used instead of the return springs b78 and b76, wen n a synchronous switch is to be produced.

The actuator b74 is * with an insulating end portion 240 provided, which provides an electrical connection between the upper bridge contacts b16a and lower bridge contacts b16b prevented. Of particular interest in the in fig. 16 is the unique energy storage device 236, which stores the energy during the early part of the actuation and releases this energy around the simultaneity

". ■ ·,", .. ■, "'006824/1482.'" ■

BAD ORfQlNAl.

. 19SS1S5

■■■ ■, ■■■■■■ '■' .- ■■ 35 - '..;; ^: "■ -

"of both groups of 'movable contact configurations b16a and b16b to ensure. In particular, the energy storage device comprises an annular member 236, rich in a counterbore 234 in the bottom of the button training b 72 is caught by a disk 238, this disk in turn engages against a shoulder b 104 on the actuator b74. Is should be noted that a game between the head surface b 97 of the metal operating member b74 and the bottom of the counterbore b88 is present in the button, whereby the power transmission from the push button to the operating element 74 only by compressing the energy-storing ring element 236 takes place. While the ring or flow amplifier element 236 further and wijeter is combined, becomes a point reaches where the force from the button on the actuator 74 is transmitted, which this down against the springs b76 and b78 moved. While one of the two groups of bridging contact elements the other spring element is located with the lines of action of the springs b120 reaching dead center and the bridge contact egg also due to the construction very close to dead center. During the first bridge contact goes over the middle, the flow amplifier or ring 236, which is stored in the energy storage by the compression, contributes *, ensure that the second bridge contacts are also reversed, that the stored energy plus the sudden The loss of resistance causes the actuator b74 to move suddenly downwards, which in turn causes the other Element happened quickly across the middle. This creates a favorable simultaneity as well as the impossibility of a double Snapping brought about. It is possible to find a suitable one To have a coil spring instead of the flow amplifier 236.

A switching mechanism dO low migration speed is in Pig. 17 shown somewhat schematically. Similar parts are denoted by similar reference numerals, except that a c and different parts have new reference numerals without the addition of a prefix.

009824 / U82

The switch c10 essentially comprises a carrier device c12, actuators cH »combined contact and Switch blade designs c16 for movement between the contacts on terminals ci8j sealing devices c20 are provided, to keep the contaminants from inside the housing, which is formed by upper and lower parts 242 and 244. Housing parts 242 and 244 carry Eonsolenausbildung under bracket 246 with a base part 252 which connects spaced apart standing parts 248 and 250 and an outer one has common terminal 254. The part 248 is formed with a central opening, not shown, and its Eopf on the sides opposite the central opening is v-notched c 106 provided to the contact switch blade combination c16 to store. The part 250 in the vicinity of its Eopf is opposite with a fastening device 256 created by Scaeren the fastening devices c 124 formed.

One end of the spring c 120 is attached to the mount 256, the other end to the strut mount c124. Of the Bottom 258 of button c72 is arranged relative to the housing so that it strikes spring c 120 at point 260, which is a point between the attachment part 256 and the pivot point ciO6. It should be noted be that a point 256 and inheritance dO6 connecting level is a level which is below a level connecting points 256 and c124, where the rest position of the parts brings the contact surface c128 into engagement with the upper clamps d34 of the fixed contact c148.

The switch mechanism do differs in some respects τοπ the switches described earlier, in so far as when it was about half a butterfly switch, there only one wing moves It should be pointed out that that animal sohaltfcJ? o10 not a movable metal actuator with a pair of swiveling bridge elements having. ¥ i @ lraeta is the enofjpelement o72 bo arranged that

ÖAD ORIGINAL

an end part 258 engages against part 260 of the tension spring, whereby the line of action of the spring c12O moves past the plane, which connects the pivot point 106a and the attachment point 256. This causes the movable Eontakt c16 snaps across the middle. Yorteil de & ses "slowly wandering "mechanism can be seen in the fact that said second-order lever for the movable contact device c16 is provided, which ensures good stability, high contact pressure and precision actuation, although only very small Movements for actuation iis play come. The movement differential for the button is very small in the mechanisms of the type shown in Fig. 17 and in this respect differs drastically from the other figures. The size of the required Operating movement is a function of where button end 258 and engagement point 260 are on spring c120 are anticipated.

The further point 260 is the same from the fixed pivot point 256 further spaced apart, the greater the potential for movement or the more hike required through the button o? 2 is, whereby the reverse is of course also güfc ·

A sequential mechanism is shown in Fig. 20, this figure being a semi-schematic representation is. The arrangement of the ropes is similar to that in the sci & ters 10 and a10 and similar ropes are identified with the same reference number with the addition of a lowercase d. The main difference between the mechanisms presented is because the upper and lower terminals are in are offset from the vertical plane. The terminal 266 and the contact 267 on it are more closely compared to the lower terminal d136 arranged with the upper terminal d134 · This construction method ensures that switching takes place between the circles in question, with the mean Terminal d166 and d »y movable contact on element 109a and the fixed top contact 216 is on the right-hand side of FIG. 20 before the toggle is in front of it on the left-hand side

OQ0024 / U82

1959-55

that is, when the movable element Si091) makes contact with the fixed contact on the terminal 2-0. The terminal di36A (on the outer side) can also be arranged lower than d136 (on the right side), so that the time lag between the halves of the butterfly is more "emphasized. Repeatable following times (depending on the distance) of O ₉ © 005 Ms 0.002 seconds have been preserved. In this way the compulsory loyalty is maintained without the other advantages of the switches mentioned above being lost.

It has also been found that in all embodiments Eontakt switch blade construction shown from one P bimetal can be made that is composed of a silver layer and a brass or a phosphor bronze layer, although great care should be taken that the Contact parts, for example 128 and 130, consist of the silver part of the bimetal.

Claims

824/1482

BATH ORIGINAL

Claims (13)

- '195.91.85 Claims \ 1 ^ / Switch blade contact combination unit for compact snap-on devices J Spring switch mechanisms, characterized by one of one A single piece of molded electrically conductive element (109) with first and second spaced apart elements (110, 118), which are connected to one another by a central part (116) are, this first end portion provided at a distance Leg parts (112, II4), 'which have a swivel edge part (I32) low friction, this second End part curved and spaced contact parts (128, 130) and a fastener part (124) and this fastener part · from the edge part is spaced one-piece, at least that way is large, like each of those curved contact means parts of the edge part is arranged remotely in such a way that these Koriaktausbildüngen after pivoting about the edge parts are pivoted ver by one of this fastening device assigned biasing force and up between them at a distance around provided leg parts extend / form a lever of the second order for the pivoting movement around these edge parts. 2. Combination unit according to claim 1, characterized in that that the curved second end portion (118) is substantially cylindrical in shape and has contact areas (128, 150) forms the circumference, the axis of this cylindrical shape in a plane is substantially parallel to a plane which this first end part (110) and the middle part (116) to connects and these fastening devices (124) off consist of a deformed part of this cylindrical shape and substantially transverse to the axis of this cylindrical shape are arranged. 3. Combination unit mach claim 2, characterized in that that this deformed! Dell also has a strut part to provide dimensional stability between them at a distance ÖÖ9024 / UB2 Eontaktteile upright, this deformed part is provided in a plane which is substantially the surface is halved between these spaced leg parts (112, 1114) and is of a curved shape, the opposite . Reversed the cylindrical shape of this second end part (118) and is curved towards this first end part (110) in such a way that that the pivot mounting of one end of a biasing coil spring on these fastening means a large number of mechanical operations of this switch knife with accuracy and withstand without damage to the spring or fastener. 4. Compact snap-action switch mechanism with a carrier device, Actuating devices which are movable relative to the carrier device for movement in a first plane a first layer are movably supported in a second layer, with pedals and a switch blade-contact combination, which can be pivoted essentially transversely to the first level Movement between positions A and B is supported, characterized in that this switch blade contact combination a unitary, one-piece molded metal element (109) having first and second spaced apart therethrough a central portion (116) having end portions (110, 118) connected to it, the first end portion having spaced apart leg formations (112, 114) with means (132) which the Bring a pivoting movement relative to the carrier device and the spring formation from a tension coil spring (120) a There is diameter, which is less than the distance between the leg parts provided in the distance between them Leg parts and wherein the second end part is curved, spaced contact parts (128, 130) and fastening means (124) »for these spring configurations, wherein the fastening means are positioned in a plane that extends of these devices (132) for the pivoting movement up to an area between the contact parts provided at a distance (128, 1> 0) extends with the fasteners positioned outside of these funds (1 £ 2) and for one 009624 / H62 ORIGINAL INSPECTED 1S5S155 Pivoting movement by a bit larger than the piece sswischen these means (132) for the pivoting movement and this im Provide distance provided Eontaktteil, the fastening devices for a pivotable articulation on these spring formations ensure in such a way that the movement of this actuating device in a first plane from this .ersten into this second position ensures that the switch blade contact combination moves while pivoting from a position A to position B with a snap action, whereby a lower Rebound of these curved contact parts is caused when the position B is reached and the inclination, the curved To keep contact parts in position B with high vibration, impact and acceleration stability, is created until this actuator returns to the first position. 5. Snap switch mechanism according to claim 4, characterized in that that this actuating device consists of an elongated metal element (74) which is movable in a first plane and notches (106), and one? continuous Opening (102) between its ends, Yorspannungsfedern (76) (78), which is assigned to one end of this actuating device are to return this actuating device from its second to its first position, lower and upper clamps (134 » 136), the respective fixed contact parts (148, 156) in height these have positions B and A of the switch blade-contact combination, the terminals having outer parts (142, 162), which extend beyond the support devices for connection to the electrical circuit, such that the movement of the actuating element, this switch blade * and contact combination out of engagement with the lower terminal contact part (156) in engagement with the upper terminal contact part (148) emotional. 6. Schnappschalt.ermechaniemus according to claim 5 »characterized in that that the carrier devices utriassenj an essentially cylindrical housing with an inner dielectric housing element (22) and an outer protective element (24), wherein ÖÖ9824 / US2 the inner housing element wad essentially cylindrical outer side walls. a closed end (42) at the bottom with four equally spaced! arranged through openings on di® in the vicinity of the llseas of these side walls • arranged sinä _? and a central through opening (58) drilled internally, a pair of these upper and lower clamp elements (134-136) being arranged in these four openings provided at a distance; electrically conductive common terminals (156)? those in this central counterbore opening ^! these common clamps have a closed enlarged head portion (172) which gqapn grips the rim surrounding the counterbore and an outer end portion, this outer end portion having a bore ί176) and resilient fastening struts (178) which extend outwardly from the outer end portion are deformed, the mounting struts being arranged in a plane which substantially bisects the area between the outer portions of these upper and lower clamps, which are located in these four spaced openings, wherein the preload coil spring (76, 78 ) has first and second ends, the. first end biasing force and electrical current is arranged with respect to the closed head part (172) of this common terminal formation (166) and the second end force and electric current is arranged with respect to the elongated metallic actuating element (74) and the prestressing coil spring inner and outer concentric rings similar Length and of different diameter, the inner and outer peder being of opposite pitch, such that locking along the inner surface of the outer spring and the outer surface of the inner spring is avoided and an electrical circuit from this common terminal and this pair of lower terminals to this pair of upper ones Clamping through the tension coil spring, the elongated metal actuator and the switch blade contact combination is switchable. 7. Snap switch mechanism according to claim 5> characterized in that these carrier devices are essentially a ÖÖÖ024 / 14 82 19S915S cylindrical housing with a central hole for receiving of the actuator (74) and the S-housing Has inner shoulder formations (40) in the vicinity of this bore and rolling sleeve sealing devices (20) of low force, which are arranged between this housing and the actuator, and that this roller sleeve seal comprisesi a flexible hat-shaped element (200) with a cylindrical Side wall part (210), a cylindrical radially enlarged edge (204) near the bottom of the side wall part, the under seal and tightly near this inner shoulder (40) is arranged, a head part (206) provided with a central opening (209) which initially extends against the axis of the side walls, the side walls essentially are uniform and flexible and connect this head part and this enlarged edge part in a sealing manner, the part of this head part surrounding the central opening (209) (206) is stretched radially and hereby engages resiliently and sealingly against the actuating member for movement, wherein the head part moves against the enlarged edge part (204) when the actuator is moved, whereby the thin .flexiblen Sidewalls (210) are made to roll in on themselves at a uniform constant low Resistance to fold while maintaining a seal between the housing and the actuator. 8. Snap switch mechanism according to claim 4, characterized in that that the "carrier device is a substantially cylindrical Shaped housing made of dielectric material with a ciifetral Bore-has, the central bore in cross section is essentially ellipsoidal, with the bore axially aligned opposing slots (54a, 54b) are disposed on the minor axis of the bore; upper and under terminals (134 »136) each with the fixed contact part near positions B and A of the switch blade contact combination are arranged, the upper clamps having an elongated portion (138) and an angularly offset portion (146) having a fixed contact part, the elongated 0 09824 / U 82 BAD ORIGlNAw Part of this upper clamp arranged in this slot formation eats, with the fixed contact part on the major axis of this • Elliptical housing bore is provided »button formations (72) assigned to this actuating element with a radially enlarged edge part (86) bit a permanently complementary but size of the housing bore, the enlarged Edge part is formed with radially projecting areas (92a, 92b) which fit into this slot, such that This shaft serves as a keyway that requires one turn of the knob and this actuator prevents and holds the upper clamp. 9. Sehnappichalteraeehanieiiue according to claim 4 # characterized in that the actuator has an elongated one Mttalleleaent (74) with a pair of groups vertically im Spaced notches and a pair of through openings »each la des? Check each of these groups of notches where the Safiea des lingliohen llementee are arranged, where tue linflibh Elment ti *** isolating * part (240) Each of the spaced-apart groups of notches and continuous openings have, among other things, an electrical transition Avoid scattering the spaced-apart parts of this elongated metal element, the elongated Hetalleleeent eleventh first shoulder (b104) in the area of a head area and having broad shoulders in 4-height areas of the bottom, ■ wei »aar« from ßöhaltaeüer ^ Komtaktkoiibinationtn, from which now ·· iaar a »iü distance provided tine development in one of these groups of notches white | Terspftnnung inriohtiingen, (Ό76, b78) »dio dieeer« wide shoulder sugeord & et are to the Actuating organ in its first · position and each of these switching « neeser contact pairs in the * Α position in front of & uspanneni Energy ep ti rather einrichtvtng (256) near the Erite shoulder, where the «laergieepeioheinrichtung« in springy ·· konpreslbles Element has "that is arranged in the power transmission line of the Betfttigungsenesfgi® on the BetKtlgungceleaent and is arranged for the snap actuation of the contact switch blade element, where- ' in the case of the energy storage device, part of the actuation 661124/1411 BATH ORIGINAL pressure energy for later release is absorbed and this energy storage device then releases the stored energy, when one of these pairs of the combination moves from the position A to this position B and the release of the stored energy ensures that the other of these combination pairs moved from position A to position B and thereby the simultaneous actuation of both Pairs of scarf eater contact combination ensures. 10. snap action switch according to claim 4 in training as an OK switch, characterized by a switch blade contact *, combination pair (109a, 109b) which on the actuator pivotally mounted opposite one another for simultaneous movement between positions A and B; a pair of top clamps (134) a common terminal (156) electrically connected to the actuator; and a pair of lower clamp formations (136) » each of these lower clamp configurations has a fixed, Contact part (156) essentially transversely to this actuating device and in the vicinity of this Α position of the switch blade-contact combination and this upper clamp comprises a pair of fixed contact parts (148) transversely vertically above each Has staggered contact parts of this lower terminal, one of the upper terminals with fixed contact parts näner the lower contact part of the terminal than the other of these upper ones Contact parts is arranged such that the movement of this Actuating member from its first to its second position ensures that a pair of switch blade contact combination mechanical and electrical contact with a fixed contact part of this upper terminal before the other of this switch blade contact combination pair a mechanical and electrical contact with the other fixed contact part of this upper clamp manufactures such that a iolgeschaltwirlrang is ensured. 11. Snap action switching mechanism according to claim 4, characterized in that characterized in that the carrier means comprises; an essentially cylindrical Q-e housing with essentially cylindrical 000824/14 82 Arian outer side walls and a closed bottom junction (42) with four equally spaced through. the openings (48a, 48b, 50a, 50b) which are arranged very close to the plane of these side walls? a pair of upper clamps (134) and a pair of lower clamps (136) arranged in these four openings ₉ with the spaced openings having a cross-sectional shape complementary to the shape of the upper and lower braces and each of these through openings See enlarged central parts arranged opposite, with at least © in the individual clamp element of this upper and lower element element © having a transverse screw bore and the seabolting of the Eleramen element is aligned with respect to the enlarged central part of the housing opening, such that ridge © on the clamp elements, which represent the threads Seliraubbolirungen are assigned or formed in these, can freely pass through these enlarged middle parts without Abseliaben the handler the dielectric housing material, wherein the lower clamping © diesea mechanism is arranged in an opposing pair iiaser through openings, where at each di @ ei? lower contact elements has a fixed contact area for electrical contact with the safety knife-contact combination. 12. Switching mechanism according to claim 4, · designed as a mechanism slow travel characterized in that said tension coil spring (120) has first and second ends; that this actuator has a button (0I4) with an outer part and one the each engaging part has 1 that the spring engaging part over the coil spring at one point the length of which between these first and second ends is detected; that the carrier device has a console formation (246) first and second standing parts (248) 250) spaced apart and an end part (254), the first part having continuous openings and notches is formed in the vicinity of this opening, the opening being the helical tension spring and di © Notch can be pivoted these legs provided at a distance from »" this switch blade-contact combination takes up § that 009824/1482 the second positioning part is designed with a pivot point for the Konsblenfederbestigung «ur swivel connection of the second bath of the ear spike, the first End of this tension spring to this fastening strut of the Sehaltmesser-contact combination for movement with and for pivoting movement attached to this switch knife-Klontaktkombination is such that upon deformation of this helical tension spring the spring-gripping rope of the actuator one Snapping movement of this Schaltmeeser contact combination is caused. ■ '« 13. Terminal training to electrical in! Dell an electrical circuit on opposite first and to connect the second sides of an etiifen dielectric carrier with a through opening, characterized by a one-piece, electrically-capable Kleanenelraent (166) la essentially symmetrical continuous circumference aftusblldtmg with first and second ends, with the CeuneneltAftnt shoulders (172) between the first and "wide sins" capture one edge of this opening on the first side of the dielectric carrier, this first end) this Klt * aen4 element is closed} that the "wide of this gill vent an essentially central bore (176) old one Has axis, the bore from the second end to the first extends around a certain "Stuok, does a bottom and next a wall continuous over the tunnel (168) to form that the turn training has deformed ropes and permanent parts, the deformed parts from the axis this hole continues to bind and resilient Strebtoefestl » Formation formations (178) form the other this opening encompass the surrounding edge on the second side of the dielectric beam opposite this shoulder, such that the strut attachment covers a substantially thick area of one of its girders facilities can compensate and that the remaining areas of this wall have an open-sided solder pan for soldering forms an electrical circuit. 001824/1482 ^ ₀ original H * £ ompekt @ £>'ScbmetterlingseoImeppeoiialterineoliaiiieiQus with a. IrSgereinrielitttäg, actuators, the "movable relative zws fe% ereiOTiehtumg sur movement aue a first position in © ine sweit © position are stored, Bruekknopfausbildungen sur movement & b & -Bettttigungeorgane relative to the carrier © inrich ·" 1nmg Riieketelleinricutungen üit a K & ekstellteraft feeetimmter & 2? 8Be έμτ The actuation device is switched from the second "position" to the first "position", characterized in that the actuating element has a longitudinal element (b? 4) which, with ®ime® Pa © s? rom tomppea T # rtically at a distance arranged notches tmd * eiiaen 2aas iui? ßhg®li®a € er openings in the vicinity ^ eder of the Xerbcuogruppeii ooeged, whereby the elongated element is to® metal. and with an®m insulating file (240) between @ & hem diessii, Ee »" fe »g2? Uppeii- is formed in such a way that a tltsergeng '> elekta? Ieeheii. Electricity is changed between these ropes provided iia a distance. and that the actuating organ, icelter; "3 £ f" eieti. ".. evei Tertikai 1" distance "provided faare (el6p, XrIi-K-) nor Sehiltmeeeerfimeibildmngent which raw movements on it, if there are no movements on the sides of the actuating organ sefeer öeri positions Jl and B stored and »with the s @ hold @ 0 @@ out message in the weeentllohen across to this operation: gtingsorgaxL irerl ^ iifts the first and second -7th of each? n» the respective duroli Äiese opens. v-aiohea -and each one of a pair from Schaltmeeae? ä »et> ildnng In the Serbian on the elongated XÜement> erMa4 <^ ig tmd ^ ®riji®» feioheaE? eiErichtuagen {236) der IraftlimieEiibe »tr © gisiig des Betätigumgsenergieirmckes Bsmel ^ ai © pf stis Setoßppffekt ^ tmg des ßehaltmeseerSf being the. Biaesgi © sp @ ioli © ssiBriehtung consists of a resilient compreesibles to3? OiäfSB2igeB lEeseat with 'a, koiapremierte us.d eimen not kompsiiaie3? Ttö2a · Smüt? Amü' »where ßX® for« ZußiimBendriiclnmg * this 3, ο1ΐθ2? Ε ', ο6ΐι elenentes from. the non-awarded 'Ib üeB- & © Eg2? eisies?% ea SSustand required © strength less than tie T © s-uGSüi £ JQuO ^ osjopsEapkjfaft. fiieeer liEifiehuag sur Mek » B © £ ü $! G32sgsorgejne. ame d © rswelten position in oils g aest9 w © "be! oils energy ^ speiefee ^ eiiirrichtung iron '. si® © SSa.QS'gietee'öS'feigtangBÖrucifees al3g © 2.% ie ^ t and 2123? later 6AD0RIGINAL. 19591SS release stored gut energy when one of these couples Ton switch knife training from position A to position B during the movement of the actuator from this first to the second position "moves", the 3? Release of the stored Energy ensures that the other of these pairs of switch blade formations move from position A to position A Moved position B and thereby a simultaneous actuation of both pairs of switch blade configurations is ensured. 00982A / U82